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48TC**17 - 30
Nominal 15 to 27.5 Tons
with Puron
®
(R-410A) Refrigerant
Service and Maintenance Instructions
TABLE OF CONTENTS
. . . . . . . . . . . . . . . . . . . .
STAGED AIR VOLUME (SAV) CONTROL: 2
FAN WITH VARIABLE FREQUENCY DRIVE (VFD) 6
ADDITIONAL VFD INSTALLATION AND
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. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
THERMOSTATIC EXPANSION VALVE (TXV)
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING THE COOLING SYSTEM
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APPENDIX I. MODEL NO. NOMENCLATURE
. . . . . . . . . . . . . . . .
APPENDIX V. MOTORMASTER SENSOR
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SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment
can be hazardous due to system pressure and electrical
components. Only trained and qualified service personnel
should install, repair, or service air-conditioning
equipment. Untrained personnel can perform the basic
maintenance functions of replacing filters. Trained service
personnel should perform all other operations.
When working on air-conditioning equipment, observe
precautions in the literature, tags and labels attached to
the unit, and other safety precautions that may apply.
Follow all safety codes. Wear safety glasses and work
gloves. Use quenching cloth for unbrazing operations.
Have fire extinguishers available for all brazing
operations.
Follow all safety codes. Wear safety glasses and work
gloves. Use quenching cloth for brazing operations. Have
fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions attached to
the unit. Consult local building codes and National
Electrical Code (NEC) for special requirements.
Recognize safety information. This is the safety
−
alert
symbol
. When you see this symbol on the unit and in
instructions or manuals, be aware of the potential for
physical injury hazards
.
Understand the signal words
DANGER
,
WARNING
, and
CAUTION
. These words are used with the safety
−
alert
symbol.
DANGER
identifies a hazardous situation which,
if not avoided,
will
result in death or severe personal
injury.
WARNING
indicates a hazardous situation which,
if not avoided,
could
result in death or personal injury.
CAUTION
indicates a hazardous situation which, if not
avoided,
could
result in minor to moderate injury or
product and property damage.
NOTICE
is used to address
practices not related to physical injury.
NOTE
is used to
highlight suggestions which
will
result in enhanced
installation, reliability, or operation.
Содержание 48TC 17 Series
Страница 39: ...39 C10818 Fig 45 RTU OPEN Control Module ...
Страница 82: ...82 APPENDIX IV WIRING DIAGRAMS cont C12615 Fig 73 48TC D17 D28 Control Diagram 208 230 3 60 460 575 3 60 ...
Страница 83: ...83 APPENDIX IV WIRING DIAGRAMS cont C12616 Fig 74 48TC D17 D28 Power Diagram 208 230 3 60 ...
Страница 84: ...84 APPENDIX IV WIRING DIAGRAMS cont C12266 Fig 75 48TC D17 D28 Power Diagram 460 3 60 ...
Страница 85: ...85 APPENDIX IV WIRING DIAGRAMS cont C12618 Fig 76 48TC D17 D28 Power Diagram 575 3 60 ...
Страница 86: ...86 APPENDIX IV WIRING DIAGRAMS cont C14061 Fig 77 48TC D17 D28 Control Diagram with Humidi MiZer ...
Страница 87: ...87 APPENDIX IV WIRING DIAGRAMS cont C12620 Fig 78 48TC D17 D28 Power Diagram 208 230 3 60 with Humidi MiZer ...
Страница 88: ...88 APPENDIX IV WIRING DIAGRAMS cont C12621 Fig 79 48TC D17 D28 Power Diagram 460 3 60 with Humidi MiZer ...
Страница 89: ...89 APPENDIX IV WIRING DIAGRAMS cont C12622 Fig 80 48TC D17 D28 Power Diagram 575 3 60 with Humidi MiZer ...
Страница 91: ...91 APPENDIX IV WIRING DIAGRAMS cont C13766 Fig 82 PremierLinkt System Control Wiring Diagram with Humidi MiZer ...
Страница 92: ...92 APPENDIX IV WIRING DIAGRAMS cont C13767 Fig 83 RTU OPEN Wiring Diagram ...
Страница 93: ...93 APPENDIX IV WIRING DIAGRAMS cont C13768 Fig 84 RTU OPEN Wiring Diagram with Humidi MiZer ...